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Altera_Forum
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16 years ago

Cyclone III not configuring

I have a 144 pin cyclone 3 that I'm trying to get working in a board design I've done. It is not configuring. I can see the TCK on the oscilloscope but no TDO data comes back from the FPGA. T...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

The CONF_DONE pin has a 10k pull up resistor as does nCONFIG, nStatus and INIT_DONE. The FPGA does not auto detect in QII.

So I replaced the FPGA with a new one, and I tried soldered the middle pad this time. Now when I bring up the power I get nCONFIG, CONF_DONE, INIT_DONE all high, and nStatus is low. It still does no configure.